Granted Patent
Utility
US 6,575,601 · App. 10/099,114
Lighting fixture optical assembly including relector/refractor and shroud
Inventors:
Ronald L. Sitzema, Jr., Paul D. Cardwell
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Mar 15, 2002
Inventors
Ronald L. Sitzema, Jr.
Paul D. Cardwell
Assignee (at issue)
Lexalite International Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.